bench/CoverageBench.cpp

   1 /*
   2  * Copyright 2013 Google Inc.
   3  *
   4  * Use of this source code is governed by a BSD-style license that can be
   5  * found in the LICENSE file.
   6  */
   7
   8 #include "Benchmark.h"
   9 #include "SkBitmap.h"
  10 #include "SkCanvas.h"
  11 #include "SkColorPriv.h"
  12 #include "SkDraw.h"
  13 #include "SkMatrix.h"
  14 #include "SkPath.h"
  15 #include "SkRasterClip.h"
  16
  17 class DrawPathBench : public Benchmark {
  18     SkPaint     fPaint;
  19     SkString    fName;
  20     SkPath      fPath;
  21     SkRasterClip fRC;
  22     SkBitmap    fBitmap;
  23     SkMatrix    fIdentity;
  24     SkDraw      fDraw;
  25     bool        fDrawCoverage;
  26 public:
  27     DrawPathBench(bool drawCoverage) : fDrawCoverage(drawCoverage) {
  28         fPaint.setAntiAlias(true);
  29         fName.printf("draw_coverage_%s", drawCoverage ? "true" : "false");
  30
  31         fPath.moveTo(0, 0);
  32         fPath.quadTo(500, 0, 500, 500);
  33         fPath.quadTo(250, 0, 0, 500);
  34
  35         fBitmap.allocPixels(SkImageInfo::MakeA8(500, 500));
  36
  37         fIdentity.setIdentity();
  38         fRC.setRect(fPath.getBounds().round());
  39
  40         fDraw.fBitmap   = &fBitmap;
  41         fDraw.fMatrix   = &fIdentity;
  42         fDraw.fClip     = &fRC.bwRgn();
  43         fDraw.fRC       = &fRC;
  44     }
  45
  46 protected:
  47     const char* onGetName() SK_OVERRIDE {
  48         return fName.c_str();
  49     }
  50
  51     void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
  52         if (fDrawCoverage) {
  53             for (int i = 0; i < loops; ++i) {
  54                 fDraw.drawPathCoverage(fPath, fPaint);
  55             }
  56         } else {
  57             for (int i = 0; i < loops; ++i) {
  58                 fDraw.drawPath(fPath, fPaint);
  59             }
  60         }
  61     }
  62
  63 private:
  64     typedef Benchmark INHERITED;
  65 };
  66
  67 ///////////////////////////////////////////////////////////////////////////////
  68
  69 DEF_BENCH( return new DrawPathBench(false) )
  70 DEF_BENCH( return new DrawPathBench(true) )